Portable printer



FIG. 1 is a front elevation of a portable printer showing our new design;

FIG. 2 is top plan view thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a left side elevation thereof; and,

FIG. 7 is a top, and right side perspective view thereof. 

The ornamental design for the portable printer, as shown and described. 